Take a look at a program called fail2ban to do this....works pretty good imo.
Quoting Jacky Chan: > > Hi all, > > I am wondering whether Horde-IMP has this function for security concerns. > I used IMP as Horde authentication application. > But I logged there are plenty login failure record generated for IMP. > And the username is obivously generated from dictionary. > And the login retry period is so short from one IP that seems to be machine > generated. > That let me believe that I was under dictionary attack. > > I would like to ask IMP or Horde can deny the IP when number of login > failure over certain limit in short range? Or Horde/IMP doesn't handle, > please give me hints on this from third party. > > Thanks. > > Regards, > Jacky > -- > View this message in context: > http://www.nabble.com/Block-IP-tp22734728p22734728.html > Sent from the Horde - IMP mailing list archive at Nabble.com. > > -- > IMP mailing list - Join the hunt: http://horde.org/bounties/#imp > Frequently Asked Questions: http://horde.org/faq/ > To unsubscribe, mail: imp-unsubscr...@lists.horde.org > -- Darryl Cook Systems Administrator - Computer Science Appalachian State University Boone, NC 28607 828-262-2296 ---------------------------------------------------------------- This message was sent using IMP, the Internet Messaging Program. -- IMP mailing list - Join the hunt: http://horde.org/bounties/#imp Frequently Asked Questions: http://horde.org/faq/ To unsubscribe, mail: imp-unsubscr...@lists.horde.org